Each reusable dishcloth is made of 70% Cellulose wood pulp 30% Cotton. They are also 100% compostable and biodegradable. The towels hold up to 15x of their own weight in water, and are versatile cleaning helpers: use them to clean dishes, kitchen surfaces and appliances, bathrooms, countertops, windows, furniture, plants, and much more. Measurements: 6.75" x 8" (17 cm x 20 cm) Designed in the USA. These cloths are naturally anti-bacterial. Toss them in the washing machine or place them in the top rack of your dishwasher to give them a thorough cleaning. They typically last 2-3 months with average wear and tear, but they can be used up to 6-12 months or up to 200 wash cycles. Dishwasher and machine washable at 60 degrees. Avoid tumble drying and fabric softener as they cause shrinkage.